You burn more calories sleeping than you do watching television.
348
Bats sleep 18-20 hours per day.
5
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
The human brain is more active during sleep than during the day.
28
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
194